Posts Tagged: battery terminal corrosion

What causes battery terminal corrosion

Battery terminal corrosion causes Battery terminal corrosion appears as a white or blue powdery substance. The white powder is lead sulfate and the bluish powder is copper sulfate. You’ll see copper sulfate formation most often if the battery terminal material contains copper. Battery terminal corrosion is caused by leaking sulfuric acid Any time liquid battery acid or heated sulfuric acid fumes escape from the battery, it can cause corrosion at the battery posts and terminals. As the battery case expands and contracts, battery acid can leak through the gap between … Read More